Explain the function of human heart.
Answers
There are four chambers of heart called as right atrium, left atrium, right ventricle and left ventricle. Their functions are as follows.
1. Right atrium: It receives the blood from the body and sends it to right ventricle.
2. Right ventricle: It receives the blood from right atrium and sends it to lungs for purification.
3. Left atrium: It receives the purified blood from lungs and sends it to left ventricle.
4. Left ventricle: It receives the purified blood from left atrium and sends it to other parts of the body.
Generally arteries are the blood vessels which transport blood away from the heart while veins are generally the blood vessels which transport blood towards the heart.
Answer:
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Explanation:
The human heart is one of the most important organs responsible for sustaining life. It is essentially a muscle, about the size of a clenched fist.
The human heart functions throughout a person’s lifespan, pumping almost 200 million litres of blood. A human heart roughly beats 2.5 billion times during a human lifespan, making it one of the most robust and hardest working muscle in the human body.
Besides humans, most other animals also possess a heart that pumps blood throughout their body. Even invertebrates such as grasshoppers possess a “heart”, though they don’t function the same way a human heart does.
Function...
One of the primary functions of the human heart is to pump blood throughout the body.
In the process, the human heart also aids the body’s transport system – blood, by delivering oxygen, hormones, glucose etc to various parts of the body.
The heart also ensures that adequate blood pressure is maintained.
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